$ docker-compose up
Starting pgadmin  ... done
Starting postgres ... done
Attaching to pgadmin, postgres
postgres    | popen failure: Cannot allocate memory
postgres    | initdb: error: The program "postgres" is needed by initdb but was not found in the
postgres    | same directory as "/usr/lib/postgresql/13/bin/initdb".
postgres    | Check your installation.
pgadmin     | postfix/postlog: starting the Postfix mail system
postgres    | popen failure: Cannot allocate memory
postgres    | initdb: error: The program "postgres" is needed by initdb but was not found in the
postgres    | same directory as "/usr/lib/postgresql/13/bin/initdb".
postgres    | Check your installation.
postgres exited with code 1
postgres    | popen failure: Cannot allocate memory
postgres    | initdb: error: The program "postgres" is needed by initdb but was not found in the
postgres    | same directory as "/usr/lib/postgresql/13/bin/initdb".
postgres    | Check your installation.
postgres exited with code 1
postgres    | popen failure: Cannot allocate memory
postgres    | initdb: error: The program "postgres" is needed by initdb but was not found in the
postgres    | same directory as "/usr/lib/postgresql/13/bin/initdb".
postgres    | Check your installation.
postgres exited with code 1
postgres    | popen failure: Cannot allocate memory
postgres    | initdb: error: The program "postgres" is needed by initdb but was not found in the
postgres    | same directory as "/usr/lib/postgresql/13/bin/initdb".
postgres    | Check your installation.
postgres exited with code 1
postgres    | popen failure: Cannot allocate memory
postgres    | initdb: error: The program "postgres" is needed by initdb but was not found in the
postgres    | same directory as "/usr/lib/postgresql/13/bin/initdb".
postgres    | Check your installation.